The prophylaxis of diphtheria by the determination of susceptibles and their active artificial immunisation in the United States, by Dr. Louis van Boechel

Date:
1924
Reference:
RAMC/2063/10

Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

Credit: The prophylaxis of diphtheria by the determination of susceptibles and their active artificial immunisation in the United States, by Dr. Louis van Boechel. Source: Wellcome Collection.

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